IDEC MICROSmart FC6A Series User Manual page 545

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Troubleshooting Diagram 10

Data is not transmitted at all

in the user communication mode.

communication cable

connected correctly?

Are the power LED [PWR] and the

Call IDEC for assistance.

*1 See "The Power LED [PWR] is not On" on page 13-9 or "The Run LED [RUN] is not On" on page 13-10.

Is the input to the

TXD instruction on?

run LED [RUN] on?

Make sure of correct wiring.

Turn on the input to the TXD instruction.

When the power LED [PWR] and the run LED [RUN]

do not turn on

ROUBLESHOOTING